Eric Rivals, Sven Rahmann. Combinatorics of Periods in Strings. In Fernando Orejas, Paul G. Spirakis, Jan van Leeuwen, editors, Automata, Languages and Programming, 28th International Colloquium, ICALP 2001, Crete, Greece, July 8-12, 2001, Proceedings. Volume 2076 of Lecture Notes in Computer Science, pages 615-626, Springer, 2001. [doi]
Abstract is missing.